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Canon MultiPASS C5000 Service Manual Page 86

Canon multipass c5000 inkjet printer.
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This model accepts three types of BJ cartridges, the EC-20, BC-21 and BC-22.
5.1 Structure
a)
EC-20 Black BJ cartridge structure
The black BJ cartridge contains a 360 dpi x 126 nozzle bubble jet print head unit, on-
demand thermal ink jet type, containing 44 ml of ink. The black ink contained in the ink
sponge is filtered with a meshed ink filter to rcmovc dust, and sucked into bubble jet print
head unit through a joint pipe.
b) BC-21 Color BJ cartrldge structure
The color BJ cartridge has a printing head equipped with 360 dpi x 136 nozzles through
which the four ink colors are ejected (24 nozzles each for yellow, magenta, and cyan; 64
nozzles for black). The ink cartridge (one for black and one for the other three colors) are
removable and replaceable. The WI-20 black ink tank contains 9 ml of black ink. The
BCI-21 color ink tank contains 5 ml each of yellow, cyan, and magenta ink.
c) BC-22 Photo Color BJ cartridge structure
The photo color BJ cartridge has a printing head equipped with 360 dpi x 136 nozzles
through which the four ink colors are rjectcd (24 nozzles each for yellow, magenta, and
cyan; 64 nozzles for black). The B,J cartridge contains 9 ml of black ink , 5 ml each of
yellow, cyan and magenta ink.
For details on the structure of the Bubble jet head unit structure (Printing
mechanism), INKSAVER (economy) printing, and maintenance jet, see the
REFERENCE
Using BC-2lel BC-22e BJ cartridge
BC-21e and BC-22c B,J cartridges arc improved versions of BC-21 and M-
22 cartridges, respectively. 'They nre designed to be backward compntiblc
with existing machines which USC the M-21 or RC-22; therefore, they can
NOTE
be used with this maclline, nlthuugh full use of their new features is not
possible.
2-l a

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